Elgato EyeTV Diversity. TV tuner type: DVB-T, Channel bandwidth: 6 MHz. Maximum resolution: 1080 x 1080 pixels. Interface type: USB. Dimensions (WxDxH): 32 x 82 x 15 mm, Weight: 28 g. Windows operating systems supported: Windows 7 Home Premium, Mac operating systems supported: Mac OS X 10.5 Leopard